CVE-2017-3136: An error handling synthesized records could cause an assertion failure when using DNS64 with "break-dnssec yes;"
Vulnerability summary
CVE-2017-3136 is a medium (CVSS 5.9) Reachable Assertion vulnerability in debian debian_linux. EPSS estimates a 11.09% chance of exploitation in the next 30 days, higher than 95.9% of scored vulnerabilities.
Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 9Timeline
- 16-01-2019PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
A query with a specific set of characteristics could cause a server using DNS64 to encounter an assertion failure and terminate. An attacker could deliberately construct a query, enabling denial-of-service against a server if it was configured to use the DNS64 feature and other preconditions were met. Affects BIND 9.8.0 -> 9.8.8-P1, 9.9.0 -> 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.0 -> 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0 -> 9.11.0-P3, 9.11.1b1->9.11.1rc1, 9.9.3-S1 -> 9.9.9-S8.
CVSS metrics
8 scores · 7 sources · 2 versions- NVDNIST5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · AlpineEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
11.09%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
Decrease -0.09 pp
From 11.18% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat6 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.3 | 7.4 | 7.6
- enterprise_linux_server_eus7.3 | 7.4 | 7.5 | 7.6
- enterprise_linux_server_tus7.3 | 7.6
Netapp3 products
Debian2 products
- bind9< 1:9.10.3.dfsg.P4-12.3
- debian_linuxEOL8.0
Isc2 products
- bind≥ 9.8.0, ≤ 9.8.8 | ≥ 9.9.0, ≤ 9.9.9 | ≥ 9.10.0, ≤ 9.10.4 | 9.8.0:p1 | 9.9.0:p1 | 9.9.0:p2 | 9.9.0:p3 | 9.9.0:p4 | 9.9.0:p5 | 9.9.0:p6 | 9.9.3 | 9.9.3:s1 | 9.9.10:beta1 | 9.9.10:rc1 | 9.10.4:p1 | 9.10.4:p2 | 9.10.4:p3 | 9.10.4:p4 | 9.10.4:p5 | 9.10.4:p6 | 9.10.5:b1 | 9.10.5:rc1 | 9.11.0 | 9.11.0:p1 | 9.11.0:p2 | 9.11.0:p3 | 9.11.1:beta1 | 9.11.1:rc1
- bind 99.8.0 -> 9.8.8-P1, 9.9.0 -> 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.0 -> 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0 -> 9.11.0-P3, 9.11.1b1->9.11.1rc1, 9.9.3-S1 -> 9.9.9-S8
Alpine1 product
- bind≥ 9.8.0, < 9.11.0_p5-r0 | ≥ 9.8.0, < 9.10.4_p8 | ≥ 9.8.0, < 9.10.4_p8-r0
Chainguard1 product
- bindAll versions (No fix recorded)
Ubuntu1 product
- bind9< 1:9.9.5.dfsg-3ubuntu0.14 | < 1:9.10.3.dfsg.P4-8ubuntu1.6
Wolfi1 product
- bindAll versions (No fix recorded)
8 vendors · 17 products
References
17 links- access.redhat.com/errata/RHSA-2017:1095Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03747en_usX Refsource CONFIRMThird Party AdvisoryAdvisory
- access.redhat.com/errata/RHSA-2017:1105Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlVendor AdvisoryX Refsource SUSEWEB
Show all 17 references
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlVendor AdvisoryX Refsource SUSEWEB